The full blown Ohlins internal kits for Showa forks still get blown away by the stock Ohlins factory forks. At least for the Tuono.
Save the money and time and just get the full deal.
2009 Aprilia Tuono - Ginger
2001 XR650R BRP (Big Red Pig)
2006 Honda 599 - Ex wrecked it :-D
2007 Honda CB900F (sold)
2006 Honda VTX 1300C (sold)